\begin{table}
\centering
\caption{Meta analysis with controls (Figure A11) in table form. \label{tab:meta2}}
\centering
\resizebox{\ifdim\width>\linewidth\linewidth\else\width\fi}{!}{
\begin{tabular}[t]{lrrrrrrrrrrrrrrrr}
\toprule
\multicolumn{1}{c}{ } & \multicolumn{4}{c}{Democratic Peace} & \multicolumn{4}{c}{Audience Costs} & \multicolumn{4}{c}{International Law} & \multicolumn{4}{c}{Reciprocity (FDI)} \\
\cmidrule(l{3pt}r{3pt}){2-5} \cmidrule(l{3pt}r{3pt}){6-9} \cmidrule(l{3pt}r{3pt}){10-13} \cmidrule(l{3pt}r{3pt}){14-17}
Samples & Estimate (DP) & SE (DP) & P value (DP) & N (DP) & Estimate (AC) & SE (AC) & P value (AC) & N (AC) & Estimate (IL) & SE (IL) & P value (IL) & N (IL) & Estimate (FDI) & SE (FDI) & P value (FDI) & N (FDI)\\
\midrule
Brazil & -0.19 & 0.05 & 0.00 & 3052 & -0.87 & 0.08 & 0 & 1996 & -0.23 & 0.04 & 0.00 & 3045 & 0.50 & 0.05 & 0.00 & 3051\\
Germany & -0.22 & 0.04 & 0.00 & 2992 & -0.93 & 0.08 & 0 & 1943 & -0.09 & 0.04 & 0.04 & 2997 & 0.31 & 0.04 & 0.00 & 3005\\
India & 0.00 & 0.04 & 0.96 & 3067 & -0.33 & 0.08 & 0 & 2011 & -0.13 & 0.04 & 0.01 & 3062 & 0.31 & 0.05 & 0.00 & 3064\\
Israel & -0.34 & 0.04 & 0.00 & 3064 & -0.76 & 0.07 & 0 & 2081 & -0.16 & 0.04 & 0.00 & 3072 & 0.53 & 0.04 & 0.00 & 3060\\
Japan & -0.09 & 0.04 & 0.03 & 3048 & -0.62 & 0.07 & 0 & 2021 & -0.12 & 0.04 & 0.00 & 3055 & 0.08 & 0.04 & 0.04 & 3056\\
\addlinespace
Nigeria & -0.09 & 0.05 & 0.13 & 3122 & -0.52 & 0.09 & 0 & 2071 & -0.44 & 0.05 & 0.00 & 3129 & 0.97 & 0.05 & 0.00 & 3129\\
USA & -0.26 & 0.04 & 0.00 & 3011 & -0.66 & 0.08 & 0 & 2004 & -0.21 & 0.04 & 0.00 & 3015 & 0.43 & 0.05 & 0.00 & 3011\\
All Countries & -0.17 & 0.04 & 0.00 & 21356 & -0.67 & 0.08 & 0 & 14127 & -0.20 & 0.04 & 0.00 & 21375 & 0.45 & 0.10 & 0.00 & 21376\\
\bottomrule
\end{tabular}}
\end{table}
